TP-Link TL-SM321B | SFP Module | 1,25Gb/s, LC/UPC, 10km, 1310/1550nm, Single mode


The TP-LINK TL-SM321B module supports the latest 1000Base-BX standard. Bi-directional data transmission is carried out on a single fiber using different wavelengths. The device guarantees high speed and excellent data transmission performance. Using TP-LINK devices, such as routers, switches or media converters, the transmission distance can increase up to 10 km.
Features / filters | |
SFP module - port speed | 1,25 Gbps |
Transmission distance | 4-20km |
Certification | FCC, CE |
Depth | 12.9 |
Fiber cable diameters supported (core/cladding) | 9/125 |
Fiber type | SM (Single-Mode) |
Height | 12.9 |
Input voltage | 3.3 |
Interface type | SFP |
Maximum data transfer rate | 1250 |
Maximum transfer distance | 10000 |
Networking standards | IEEE 802.3z |
Numbers of pieces in the package | 1-pack |
Operating relative humidity (H-H) | 10 - 90 |
Operating temperature (T-T) | 0 - 70 |
Package depth | 81.5 |
Package height | 38.5 |
Package weight | 60 |
Package width | 122.5 |
Plug and Play | Yes |
Rx wavelength (max) | 1310 |
SFP transceiver type | Fiber optic |
Single-mode fiber (SMF) supported | Yes |
Storage relative humidity (H-H) | 5 - 90 |
Storage temperature (T-T) | -40 - 80 |
Tx wavelength (max) | 1550 |
Type of SFP duplex | Wavy (WDM) |
Wavelength | 1310/1550 nm |
Width | 55.4 |
Basic technical parameters | |
Standards and protocols | IEEE 802.3z, CSMA/CD, TCP/IP |
Wavelengths | TX: 1310 nm/ RX: 1550 nm |
Power supply | 3.3 V |
Safety and emissions | FCC, CE |
Cable | Single-mode optical fibre |
Fibre type | Single-mode 9/125 µm |
Maximum cable length | 10 km |
Transmission speed | 1.25 Gbps |
Port type | LC/UPC |
Environmental conditions | Operating temperature: 0°C~70°C Storage temperature: -40°C~80°C Operating humidity: 10%~90%, non-condensing Storage humidity: 5%~90%. non-condensing |
Installation guide | Download |